Вот здесь есть про коклюш в Швеции https://www.eurosurveillance.org/content/10.2807/esm.04.12.00084-en (https://www.eurosurveillance.org/content/10.2807/esm.04.12.00084-en). The clinical course was more severe in unvaccinated children: 90% (627/694) of unvaccinated cases suffered paroxysmal cough for more than 21 days, compared with 77% (43/56) of partially vaccinated cases, and 69% (41/59) of fully vaccinated cases. Хотя ,конечно, 20% разница не очень впечатляет
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The clinical course was more severe in unvaccinated children: 90% (627/694) of unvaccinated cases suffered paroxysmal cough for more than 21 days, compared with 77% (43/56) of partially vaccinated cases, and 69% (41/59) of fully vaccinated cases.
Хотя ,конечно, 20% разница не очень впечатляет